2003
DOI: 10.1590/s1415-43662003000200023
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Efeito da faixa-filtro na retenção de atrazina em escoamento superficial

Abstract: O presente estudo avaliou a eficácia de faixas-filtro de comprimentos de 0, 5 e 10 m na redução de atrazina em água de escoamento provinda de áreas cultivadas com milho, gerada por 4 chuvas simuladas. Na faixa-filtro utilizou-se braquiária (Brachiaria decumbens) como elemento de retenção da atrazina. A diminuição dos valores mobilizados e transportados de atrazina encontrados, demonstrou a eficiência dessa faixa. A faixa de 5 m reduziu, em relação à parcela sem faixa (0 m de comprimento), nos 4 eventos de chuv… Show more

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Cited by 7 publications
(3 citation statements)
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“…In general, buffer strips such as grasslands or riparian forests are considered effective filters that result in reduction of pesticide contamination of surface water (Hubbard and Lowrance, 1994;Krutz et al, 2005). Progressive reduction of pesticide contamination has been described using grass filter strips with up to 10 m width in temperate conditions (Snoo and de Wit, 1998;Anbumozhi et al, 2005;Reichenberger et al, 2007) and in tropical conditions (Ludovice et al, 2003). The riparian forest as buffer zone for pesticide control was already described (Hubbard and Lowrance, 1994;Pinho et al, 2004), but the way that pesticides can be dispersed by ground water contamination or air pollution due to volatilization has not been described.…”
Section: Introductionmentioning
confidence: 99%
“…In general, buffer strips such as grasslands or riparian forests are considered effective filters that result in reduction of pesticide contamination of surface water (Hubbard and Lowrance, 1994;Krutz et al, 2005). Progressive reduction of pesticide contamination has been described using grass filter strips with up to 10 m width in temperate conditions (Snoo and de Wit, 1998;Anbumozhi et al, 2005;Reichenberger et al, 2007) and in tropical conditions (Ludovice et al, 2003). The riparian forest as buffer zone for pesticide control was already described (Hubbard and Lowrance, 1994;Pinho et al, 2004), but the way that pesticides can be dispersed by ground water contamination or air pollution due to volatilization has not been described.…”
Section: Introductionmentioning
confidence: 99%
“…Intense use of these herbicides has been a significant source of contaminating water bodies by run-off and percolation throughout the soil profile (leaching) (Correia & Langenbach, 2006), not only threatening water resources, but also ecosystem integrity (Ludovice et al, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…In research conducted by Aquino et al (2013), the use of atrazine in an irrigation channel area promoted the transport of the herbicide to the lower areas. Ludovice et al (2003) have recommended the use of filter in order to prevent the draining of atrazine, since the use of filter strips of 5 and 10 m was able to reduce herbicide concentration in the solution was drained in 73.8% and 89.7%, respectively.…”
mentioning
confidence: 99%